package com.usercar.controller;

import com.alipay.api.internal.util.AlipaySignature;
import com.usercar.config.AlipayConfig;
import com.usercar.feign.EntryFeign;
import com.usercar.pojo.ContentPayDTO;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

import javax.servlet.http.HttpServletRequest;
import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

@Controller
@RequestMapping("callBankController")
public class CallBankController {

    @Autowired
    private EntryFeign entryFeign;

    @Autowired
    private RedisTemplate redisTemplate;



    @RequestMapping("returnUrl")
    public String returnUrl(HttpServletRequest request, Model model, String out_trade_no, String trade_no, String total_amount) throws Exception {
        //获取支付宝GET过来反馈信息
        Map<String,String> params = new HashMap<String,String>();
        Map<String,String[]> requestParams = request.getParameterMap();
        for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext();) {
            String name = (String) iter.next();
            String[] values = (String[]) requestParams.get(name);
            String valueStr = "";
            for (int i = 0; i < values.length; i++) {
                valueStr = (i == values.length - 1) ? valueStr + values[i]
                        : valueStr + values[i] + ",";
            }
            //乱码解决，这段代码在出现乱码时使用
            valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
            params.put(name, valueStr);
        }

        boolean signVerified = AlipaySignature.rsaCheckV1(params, AlipayConfig.alipay_public_key, AlipayConfig.charset, AlipayConfig.sign_type); //调用SDK验证签名

        //——请在这里编写您的程序（以下代码仅作参考）——
        if(signVerified) {
            model.addAttribute("money",total_amount);
            return "paysuccess";
        }else {
            return "payfail";
        }
    }

    @RequestMapping("notifyUrl")
    public String notifyUrl(HttpServletRequest request,String total_amount,String out_trade_no,String trade_no,String trade_status) throws Exception {

        //获取支付宝POST过来反馈信息
        Map<String,String> params = new HashMap<String,String>();
        Map<String,String[]> requestParams = request.getParameterMap();
        for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext();) {
            String name = (String) iter.next();
            String[] values = (String[]) requestParams.get(name);
            String valueStr = "";
            for (int i = 0; i < values.length; i++) {
                valueStr = (i == values.length - 1) ? valueStr + values[i]
                        : valueStr + values[i] + ",";
            }
            //乱码解决，这段代码在出现乱码时使用
           // valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
            params.put(name, valueStr);
        }

        boolean signVerified = AlipaySignature.rsaCheckV1(params, AlipayConfig.alipay_public_key, AlipayConfig.charset, AlipayConfig.sign_type); //调用SDK验证签名

        //——请在这里编写您的程序（以下代码仅作参考）——

        /* 实际验证过程建议商户务必添加以下校验：
        1、需要验证该通知数据中的out_trade_no是否为商户系统中创建的订单号，
        2、判断total_amount是否确实为该订单的实际金额（即商户订单创建时的金额），
        3、校验通知中的seller_id（或者seller_email) 是否为out_trade_no这笔单据的对应的操作方（有的时候，一个商户可能有多个seller_id/seller_email）
        4、验证app_id是否为该商户本身。
        */
        if(signVerified) {//验证成功
            System.out.println("异步函数执行"+out_trade_no+trade_no+trade_status);
            if(trade_status.equals("TRADE_FINISHED")){
                //根据流水号判断redis是否存在
                String str =(String) redisTemplate.boundHashOps("alipay").get(trade_no);
                if(str == null){
                    //支付成功在异步回调,添加一条广告支付记录,
                    ContentPayDTO t = new ContentPayDTO();
                    t.setOutTravlNo(out_trade_no);
                    t.setTravlNo(trade_no);
                    BigDecimal b = new BigDecimal(total_amount);
                    t.setPayment(b);
                    t.setCreateTime(new Date());
                    t.setUpdateTime(new Date());
                    entryFeign.insertInfo(t);

                }

            }else if (trade_status.equals("TRADE_SUCCESS")){
                String gmt_payment = request.getParameter("refund_fee");
            }
            return "success";

        }else {//验证失败
            return "fail";

            //调试用，写文本函数记录程序运行情况是否正常
            //String sWord = AlipaySignature.getSignCheckContentV1(params);
            //AlipayConfig.logResult(sWord);
        }
    }


}
